Patent US-1911-997354
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Wheels on axles on springs, and runners, for safe landing; foldable parachute held on central mast.
Inventor location (imputed by HistPat): Los Angeles, Los Angeles county, CA (FIPSloc=6037)
Sources
{{USpatentsources|997354 espacenet]
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 997354 |
| Inventors | Grover C. Younggreen |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Safety attachment for aeroplanes |
| English title | Safety attachment for aeroplanes |
| Tech fields | airplane, safety, wheels, landing, stability, frame, parachute |
| Filing date | 1911-02-15 |
| Full specification filed date | |
| Application number | |
| Grant date | 1911-07-11 |
| Granted? | 1 |
| Publication date | 1911-07-11 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 608810 |
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| National tech categories | USPC 244/139 |
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| Family year | 1911 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
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